14 ideas
| 15375 | If terms change their designations in different states, they are functions from states to objects [Fitting] |
| 15376 | Intensional logic adds a second type of quantification, over intensional objects, or individual concepts [Fitting] |
| 15378 | Awareness logic adds the restriction of an awareness function to epistemic logic [Fitting] |
| 15379 | Justication logics make explicit the reasons for mathematical truth in proofs [Fitting] |
| 11026 | Classical logic is deliberately extensional, in order to model mathematics [Fitting] |
| 17807 | To study formal systems, look at the whole thing, and not just how it is constructed in steps [Curry] |
| 11028 | λ-abstraction disambiguates the scope of modal operators [Fitting] |
| 17806 | It is untenable that mathematics is general physical truths, because it needs infinity [Curry] |
| 17808 | Saying mathematics is logic is merely replacing one undefined term by another [Curry] |
| 15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
| 3914 | Language arranges sensory experience to form a world-order [Whorf] |
| 3916 | Hopi consistently prefers verbs and events to nouns and things [Whorf] |
| 3917 | Scientific thought is essentially a specialised part of Indo-European languages [Whorf] |
| 3915 | The Hopi have no concept of time as something flowing from past to future [Whorf] |